Function infiniband_ipv4_multicast_map

freebsd/net/if_infiniband.c:66–95

#ifdef INET
static inline void
infiniband_ipv4_multicast_map(uint32_t addr,
    const uint8_t *broadcast, uint8_t *buf)
{
	uint8_t scope;

	addr = ntohl(addr);
	scope = broadcast[5] & 0xF;

	buf[0] = 0;
	buf[1] = 0xff;
	buf[2] = 0xff;
	buf[3] = 0xff;
	buf[4] = 0xff;
	buf[5] = 0x10 | scope;
	buf[6] = 0x40;
	buf[7] = 0x1b;
	buf[8] = broadcast[8];
	buf[9] = broadcast[9];
	buf[10] = 0;
	buf[11] = 0;
	buf[12] = 0;
	buf[13] = 0;
	buf[14] = 0;
	buf[15] = 0;
	buf[16] = (addr >> 24) & 0xff;
	buf[17] = (addr >> 16) & 0xff;
	buf[18] = (addr >> 8) & 0xff;
	buf[19] = addr & 0xff;
}
#endif

#ifdef INET6